Cisco 7604 Configuration Guide - Page 378
Modular Policy Framework Configuration Overview
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Information About Modular Policy Framework Chapter 20 Using Modular Policy Framework Modular Policy Framework Configuration Overview Configuring Modular Policy Framework consists of the following tasks: 1. Identify the traffic on which you want to perform Modular Policy Framework actions by creating Layer 3/4 class maps. For example, you might want to perform actions on all traffic that passes through the FWSM; or you might only want to perform certain actions on traffic from 10.1.1.0/24 to any destination address. Layer 3/4 Class Map Layer 3/4 Class Map 241506 See the "Identifying Traffic (Layer 3/4 Class Map)" section on page 20-4. 2. If one of the actions you want to perform is application inspection, and you want to perform additional actions on some inspection traffic, then create an inspection policy map. The inspection policy map identifies the traffic and specifies what to do with it. For example, you might want to drop all HTTP requests with a body length greater than 1000 bytes. Inspection Policy Map Actions Inspection Class Map/ Match Commands 241507 You can create a self-contained inspection policy map that identifies the traffic directly with match commands, or you can create an inspection class map for reuse or for more complicated matching. See the "Defining Actions in an Inspection Policy Map" section on page 20-7 and the "Identifying Traffic in an Inspection Class Map" section on page 20-10. 3. If you want to match text with a regular expression within inspected packets, you can create a regular expression or a group of regular expressions (a regular expression class map). Then, when you define the traffic to match for the inspection policy map, you can call on an existing regular expression. For example, you might want to drop all HTTP requests with a URL including the text "example.com." Inspection Policy Map Actions Inspection Class Map/ Match Commands Regular Expression Statement/ Regular Expression Class Map 241509 20-2 Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide using ASDM OL-20748-01
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